General description
This certified eluent concentrate for ion chromatography is traceable by potentiometric titration to NIST Standard Reference Material. It is certified in accordance with ISO Guide 31. All details about exact content, uncertainty, traceability and expiry date are described in the certificate.Download at: http://www.sigma-aldrich.com.
Preparation Note
由2,6-吡啶二羧酸和高纯水（18.2MΩ， 0.2μm 膜过滤）配制而成